Finding the Fourth Proportional to 56,018.34, 77,304.31 and 30,524.87

Step by Step Solution

1. Step 1: Write the proportion equation
   56,018.34 : 77,304.31 = 30,524.87 : x
2. Step 2: Convert to fraction form
   56,018.34/77,304.31 = 30,524.87/x
3. Step 3: Cross multiply
   56,018.34x = 77,304.31 × 30,524.87
4. Step 4: Simplify right side
   56,018.34x = 2,359,704,130.14
5. Step 5: Solve for x
   x = 2,359,704,130.14/56,018.34
6. Step 6: Final answer
   x = 42,123.78